Risk factors for cage subsidence and clinical outcomes after transforaminal and posterior lumbar interbody fusion.
Tiago Amorim-BarbosaCatarina PereiraDiogo CatelasCláudia RodriguesPaulo CostaRicardo Rodrigues-PintoPedro NevesPublished in: European journal of orthopaedic surgery & traumatology : orthopedie traumatologie (2021)
The present study shows that lower BMD and posterior cage positioning are relevant risk factors for lumbar cage subsidence. Low BMD is also a predictor of poor clinical results, so it must be properly evaluated and considered, through HU values measurement in CT scan, a feasible and reliable tool in perioperative planning.